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Kistler launches the world's largest piezoelectric 3-component force sensor

Kistler launches the world's largest piezoelectric 3-component force sensor

With a measuring range of up to 450kN in the Z axis and 100kN in the X and Y axes, Kistler says its Type 9397C 3-component force sensor offers a unique measuring capacity. This, said to be the largest sensor of its type in the world, is the ideal choice for large-scale measurement tasks such as capturing impact forces in crash tests. The Swiss pioneer of piezoelectric measurement technology specialises in ready-to-use custom solutions that can also cope with extremely high measurement ranges.

Kistler piezoelectric 3-component force sensors are used to measure dynamic and quasistatic tensile and compression forces, especially where small variations need to be detected. Being very rigid, the high natural frequencies makes the measurement of the smallest dynamic changes to very large forces in all three directions with high precision and excellent reliability. The sensors are fully calibrated and pre- loaded on delivery and can be installed straight from the box.

Space, aerospace and rail

Typical applications include aircraft landing gear, a high speed train crash wall and spacecraft payloads. An aircraft landing gear drop test simulates the forces acting on the landing gear as the aircraft lands on the runway. In this test, the entire landing gear is raised to a specified height, the wheel accelerated and dropped onto a dynamometer of four sensors for simultaneous measure-ments of the forces up to 900kN Fz and 400kN Fx/y.

When it comes to train crash testing, a unique crash wall for high speed trains installed in China in 2017 has a measuring range 20 times greater than the crash walls used by the automotive industry. It is a further application for the new Kistler sensor.

Spacecraft payloads such as telescopes and electronic instruments are subjected to strong quasistatic and mechanical-dynamic forces during the test phases of space flight programs. To qualify the structures for space flight, vibration and shock test rigs are used to simulate the vibration levels during the load tests. The force-limited vibration testing method is used to restrict the force applied and prevent damage to payloads because of excessive forces. To achieve this, 3-component force sensors are integrated on the interface between the shaker and the payload.

The unique Type 9397C 3-component force sensor from Kistler simplifies high impact and vibration testing in a wide variety of applications.

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